/Engine/Plugins/Runtime/Metasound/Source/MetasoundEditor/Public/MetasoundEditorGraph.h
virtual void UpdatePreviewInstance ( const [Metasound::FVertexName](API\Plugins\MetasoundGraphCore\FVertexName) & InParameterName, [TScriptInterface](API\Runtime\CoreUObject\UObject\TScriptInterface)< [IAudioParameterControllerInterface](API\Runtime\AudioExtensions\IAudioParameterControllerInterfa-) > & InParameterInterface ) const